A cold frame allows you to extend your growing season. Start plants early, harvest them all winter, and you've mastered four-season gardening.

Cold frame gardening is an effective strategy to extend your growing season. Whether you want to protect your plants from fall frosts or seedlings from spring cold snaps, these boxes are easy and ...

If your cold frame has a bottom (most don't), you can use it to grow plants outdoors that might otherwise take over your garden. Mint is a notoriously vigorous colonizer, sending rhizomes in every ...

I recently wrote that starting seeds indoors is one way to get a head start on growing vegetables or annual flowers. Another way to get a head start is by using hotbeds or cold frames. These ...